A novel projection optical system has been developed for application with reflective CMOS LCD technology. The optical design for an off-axis system will be described and the performance of this system compared with traditional transmissive LCD. The advantages and disadvantages of this type of architecture are discussed.
A full-color video projector uses an active matrix LCD to modulate low-intensity addressing light in a photoactivated liquid crystal light valve projection system. This hybrid modulator delivers high aperture ratio for a bright, high-contrast projected image.
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